89456560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 220744800

約数和(自身を除く): 131288240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 229, 257, 304, 380, 458, 514, 760, 916, 1028, 1145, 1285, 1520, 1832, 2056, 2290, 2570, 3664, 4112, 4351, 4580, 4883, 5140, 8702, 9160, 9766, 10280, 17404, 18320, 19532, 20560, 21755, 24415, 34808, 39064, 43510, 48830, 58853, 69616, 78128, 87020, 97660, 117706, 174040, 195320, 235412, 294265, 348080, 390640, 470824, 588530, 941648, 1118207, 1177060, 2236414, 2354120, 4472828, 4708240, 5591035, 8945656, 11182070, 17891312, 22364140, 44728280, 89456560]

約数ペア:

[(1, 89456560), (2, 44728280), (4, 22364140), (5, 17891312), (8, 11182070), (10, 8945656), (16, 5591035), (19, 4708240), (20, 4472828), (38, 2354120), (40, 2236414), (76, 1177060), (80, 1118207), (95, 941648), (152, 588530), (190, 470824), (229, 390640), (257, 348080), (304, 294265), (380, 235412), (458, 195320), (514, 174040), (760, 117706), (916, 97660), (1028, 87020), (1145, 78128), (1285, 69616), (1520, 58853), (1832, 48830), (2056, 43510), (2290, 39064), (2570, 34808), (3664, 24415), (4112, 21755), (4351, 20560), (4580, 19532), (4883, 18320), (5140, 17404), (8702, 10280), (9160, 9766)]